With Tier Prices Extended for Magento 2.0 extension you don’t have to calculate the price for each quantity when setting tier price, but you can simply set a percentage on the original price for each quantity, and the price will be calculated automatically. If you have many products and many different tier price options, this extension can help you save time.
In order to add a Slider to the Home page of Magento it is not necessary to install an additional extension. A default Magento Slider can be used as well. In RWD Magento 1.9 there is a Slider plugin already added to jQuery library.
To create a custom Slider it is necessary to put HTML code of certain structure.
For more information about Slider extension please follow the link.
A product slider for Magento you can find here.